The Iwakura Clan was a swordsmanship clan founded by Iwakura Doukei, who introduced a special technique called the Tengu Sweeper. In a dark Hidden Exploration Objective that involves wiping out the last living disciples of this clan, you can score yourself the hidden Wonders of the World Achievement called Iwakura Out.

Iwakura Clan Members Locations

There are six initial clan members that you need to wipe out to progress in this Hidden Exploration Objective. The first five can be completed in any order, but the sixth can only be activated after the first five are done.

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Yashiori Island and Kannazuka (Clan Members 1-3)

In the first location, you'll find Disciple Katayama Tatsumi. Defeat him to obtain a Precious Chest. In the second location, you'll find Disciple Shimada Shichirouji, who you should likewise defeat to obtain a Precious Chest.

The third location in Tatarasuna is a bit obscure. Look for a hole in the ground and jump down by a few meters—but don't jump straight to the ground. You'll find an opening in the wall mid-way.

Enter the small opening to find Acting Instructor Tanba Tetsuo. Defeat him to obtain a Precious Chest.

Narukami Island (Clan Members 4-5)

The fourth clan member is located in the Byakko Plains. Defeat Disciple Okazaki Kunihiko to obtain another Precious Chest.

The fifth clan member is located up north, inside the underwater ruin that houses the Perpetual Mechanical Array. From the Teleport Waypoint on the left, simply run forward to find Acting Instructor Mifune Satoshi. Defeat him for a Precious Chest.

Kujou Encampment (Clan Member 6)

After defeating the first five clan members, head to the Kujou Encampment and speak to Iwakura Kouzou. This will prompt a battle with no reward.

Once that's done, head back to the location of the fourth clan member in Byakko Plains. You'll find two of the final clan members in the area: the Expelled Violet Oni: Yanagiha Arashi and Expelled Crimson Oni: Okazaki Toraemon. Speak to them to engage in battle.

After defeating the two, you'll receive two swords. Interact with the Blade Mounds in front of the stone twice to place both swords. Doing so will grant you a Luxurious Chest and the Achievement Iwakura Out.

Check out our guide on Genshin Impact Sacrificial Offering: Mysterious Shadows at Shrine, a prerequisite to this Hidden Exploration Objective.

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